If you walk into any bookstore, you can look at the newsstands and see which magazines are nationally-distributed, and you recognize certain names. Same with television. With the blogsphere, however, you actually have to dig, and know how to use multiple tools to figure out whom you should be speaking to.
My granny was very concerned that we weren't baptised - Mum had been desperate to escape her own Catholic upbringing. But Granny thought we were blighted. Whenever we turned up at her house, she would flick holy water - from the font she kept by the door - over us, in the hope that it would save us from damnation.